Skip to content

Brooklyn • Walk

20 South Portland Ave

Brooklyn, NY 11217Individually ownedBBL 3020990052BIN 3058818
Save buildingView report

16 sources

Year Built1861
Floors3
Units3
Building Area3,760 sqft
ZoningR6B
ClassC0
Market Value$5.1M

20 SOUTH PORTLAND AVE is a property located at 20 SOUTH PORTLAND AVE, Brooklyn, NY 11217. It is classified as a walk-up apartment - three families. The building was constructed in 1861. It has 3 floors and 3 units. The building area is 3,760 square feet on a 2,000 sqft lot. The property is zoned R6B. The assessed market value is $5.1M. Public records list the property as individually owned. There are 2 violations on record (1 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

21records on file

Completed in 1861, 20 South Portland Ave rises 3 stories over Kings. Public records put it at 3 units and 3,760 square feet of floor area, on land zoned R6B. It is carried on the public rolls at a market value of $5.1M, and assessed for tax at $304K. In the 61 years its record reaches back, the lot has drawn 21 separate government filings.

The documentary life of the address leans hard toward lien: 6 of its 21 records, fully 29%, fall under that one heading. Sale (5) and mortgage (3) trail well behind. 1 violation stands open against it today.

The pace is anything but even. Activity is spread across the decades, with 1967 the busiest year on file.

Read together — 29% lien, 61 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$5.1M of Kings, written across 21 government filings.

Open the live report — daily-updated data, AI chat & alerts
Full Analysis report · $15 one-time

Get the full report for 20 South Portland Ave

Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

Get the $15 report
Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
latest record

Property Details

Address20 SOUTH PORTLAND AVE, Brooklyn, NY 11217
Building TypeWalk-Up Apartment - Three Families
C0
Year Built1861
Floors3
Total Units3
Building Area3,760 sqft
Lot Size2,000 sqft
ZoningR6B
ConditionAverage
3020990052
3058818
OwnershipIndividually owned

Assessment & Sales

$5.1M
$304K
$43K

Building Permits

none on record

No building permits found in local records.

Violations

2 on record · 1 open
SafetyGas Piping Ll152
ACTIVE
Issued Sep 18, 2025#NOD-FTF-PL-PER-202206-0092859

Cycle 1, Sub-cycle B (premises is in Community District 2)

View this violation's full details & status history →

+ 1 more violation on record — view full report

Get the Complete Report for 20 SOUTH PORTLAND AVE

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

Free to view core records, no credit card required — the paid report adds title history & analysis.

View Report

Frequently Asked Questions

When was 20 SOUTH PORTLAND AVE, Brooklyn built?

The building at 20 SOUTH PORTLAND AVE, Brooklyn, NY 11217 was constructed in 1861. It is classified as a walk-up apartment - three families with 3 floors and 3 units. The building area is 3,760 sqft.

Are there building permits at 20 SOUTH PORTLAND AVE, Brooklyn?

No building permits were found in local records for 20 SOUTH PORTLAND AVE, Brooklyn, NY 11217. Permit data is sourced from the NYC Department of Buildings. For the most current permit status, check DOB NOW or BIS directly.

Does 20 SOUTH PORTLAND AVE, Brooklyn have violations?

Yes. 20 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has 2 violations on record, with 1 currently open. Breakdown: 1 DOB Safety, 1 DOB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 20 SOUTH PORTLAND AVE, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 20 SOUTH PORTLAND AVE, Brooklyn, NY 11217. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 20 SOUTH PORTLAND AVE?

20 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has an assessed market value of $5.1M and a total assessed value of $304K (land: $43K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 20 SOUTH PORTLAND AVE?

20 SOUTH PORTLAND AVE, Brooklyn, NY 11217 is zoned R6B. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 20 SOUTH PORTLAND AVE?

20 SOUTH PORTLAND AVE, Brooklyn, NY 11217 is individually owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 20 SOUTH PORTLAND AVE?

Search 20 SOUTH PORTLAND AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report ($15, one-time) adds the complete title history, owner contacts, and a downloadable PDF.

Search Another Property

Look up violations, permits, and records for any tri-state address.

Related searches
Brooklyn Property Search →Brooklyn Permit Search →Brooklyn Violation Lookup →Brooklyn Tax Search →Brooklyn Title Search →Brooklyn Zoning Lookup →NYC Permit Search →NYC Violation Lookup →NYC Property Tax →NYC Zoning Lookup →NYC Compliance Deadlines →NYC Violation Types →Free Property Search →Data Sources →Class C Buildings Guide →
20 SOUTH PORTLAND AVE, Brooklyn, NY 11217 — Property Records, Permits, Violations, Tax & Zoning | RegWatch